Hopkins Marine Station Student Paper

Title: The detection of salinity by the marine snail Littorina planaxis (Philippi)Student Author(s): Levin, David L.Faculty Advisor(s): Gilly, William F.Pages: 18Location: Final Papers Biology 175HDate: June 1982 Keywords: upper intertidal
splash zoneAbstract: The marine snail, Littorina planaxis, has the ability to distinguish between solutions of high and low salinity. Research indicates that salinity is determined primarily through the detection of chloride. The region of detection seems to be localized in the area, between the operculum and the foot, known as the operculigerous disc.